Block a phone number
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Get something done
Block a phone number
with Close
Works with AI assistants
Use Close: its Close Blocked Phone Numbers API lets you block a phone number in a single step (POST /blocked_phone_number/). Close also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.
- How do I stop a phone number from calling us or being called?
- Can I block a spam caller and record the reason?
Say it to your AI assistant
- Block phone number {phone} because {reason}.
- Add {phone} to the blocked numbers list with reason {reason}.
For your developer
POST /blocked_phone_number/ in Close Blocked Phone Numbers API. Full spec on APIs.io.